<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="UTF-8">
        <meta http-equiv="X-UA-Compatible" content="IE=edge">
        <meta name="viewport" content="width=device-width, initial-scale=1.0">
        <title>Document</title>
        <script src="./vue.js"></script>
    </head>
    <style>

    </style>
    <body>
        <div id="app">
            <h2 :style="[bastColor,bastStyle]">{{msg}}</h2>
        </div>
    </body>
    <script>
        let app = new Vue({
            el:"#app",
            data:{
                msg:"你好啊",
                bastColor:{backgroundColor:"red"},
                bastStyle:{fontSize:"70px"}
            }
            
        })
    </script>
</html>